On Wed, 28 Jun 2023, haochen.jiang wrote: > On Linux/x86_64, > > dd86a5a69cbda40cf76388a65d3317c91cb2b501 is the first bad commit > commit dd86a5a69cbda40cf76388a65d3317c91cb2b501 > Author: Richard Biener <rguent...@suse.de> > Date: Thu Jun 22 11:40:46 2023 +0200 > > tree-optimization/96208 - SLP of non-grouped loads > > caused > > FAIL: gcc.dg/vect/slp-46.c -flto -ffat-lto-objects scan-tree-dump-times vect > "vectorizing stmts using SLP" 4 > FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using > SLP" 4 > > with GCC configured with > > ../../gcc/configure > --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2117/usr > --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld > --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl > --enable-libmpx x86_64-linux --disable-bootstrap > > To reproduce: > > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-46.c --target_board='unix{-m32\ > -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-46.c --target_board='unix{-m64\ > -march=cascadelake}'" > > (Please do not reply to this email, for question about this report, contact > me at haochen dot jiang at intel.com)
I have opened PR110445 for the missed optimization.